DE69712355D1 - FACSIMILE DEVICE WITH AUTOMATIC ADJUSTMENT OF TRANSMISSION PARAMETERS - Google Patents

FACSIMILE DEVICE WITH AUTOMATIC ADJUSTMENT OF TRANSMISSION PARAMETERS

Info

Publication number
DE69712355D1
DE69712355D1 DE69712355T DE69712355T DE69712355D1 DE 69712355 D1 DE69712355 D1 DE 69712355D1 DE 69712355 T DE69712355 T DE 69712355T DE 69712355 T DE69712355 T DE 69712355T DE 69712355 D1 DE69712355 D1 DE 69712355D1
Authority
DE
Germany
Prior art keywords
automatic adjustment
transmission parameters
facsimile device
adjusting
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69712355T
Other languages
German (de)
Other versions
DE69712355T2 (en
Inventor
Philippe Castet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagem SA
Original Assignee
Sagem SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sagem SA filed Critical Sagem SA
Publication of DE69712355D1 publication Critical patent/DE69712355D1/en
Application granted granted Critical
Publication of DE69712355T2 publication Critical patent/DE69712355T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33361—Mode signalling or mode changing; Handshaking therefor according to characteristics or the state of the communication line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only
    • H04N1/33323—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only transmission mode only, e.g. speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/333—Mode signalling or mode changing; Handshaking therefor
    • H04N1/33369—Storage of mode or retrieval of prestored mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/333—Mode signalling or mode changing; Handshaking therefor
    • H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
    • H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
    • H04N2201/3335—Speed or rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/333—Mode signalling or mode changing; Handshaking therefor
    • H04N2201/33307—Mode signalling or mode changing; Handshaking therefor of a particular mode
    • H04N2201/33342—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode
    • H04N2201/33371—Mode signalling or mode changing; Handshaking therefor of a particular mode of transmission mode using test signals, e.g. checking error occurrences

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Transmission Control (AREA)
  • Facsimiles In General (AREA)

Abstract

The fax machine designed to be connected to a telephone network (10) comprises means (1) for transmitting and receiving faxes, means for adjusting (2) the value of one transmission and reception parameter for adapting it to the network and corresponding fax machines, means (3) for monitoring the telephone connection in order to control the adjusting means (2), the adjusting means (2) comprising a memory (25) for storing at least a series of past and adapted values of said parameter, constituting a range of values, means (26) for reading the memory (25) and extracting therefrom a value of the range to be applied in the adjusting means output (2).
DE69712355T 1996-11-06 1997-10-30 FACSIMILE DEVICE WITH AUTOMATIC ADJUSTMENT OF TRANSMISSION PARAMETERS Expired - Lifetime DE69712355T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613524A FR2755562B1 (en) 1996-11-06 1996-11-06 FAX MACHINE WITH AUTOMATIC ADJUSTMENT OF TRANSMISSION PARAMETERS
PCT/FR1997/001946 WO1998020673A1 (en) 1996-11-06 1997-10-30 Fax machine with automatic adjustment of transmission parameters

Publications (2)

Publication Number Publication Date
DE69712355D1 true DE69712355D1 (en) 2002-06-06
DE69712355T2 DE69712355T2 (en) 2003-01-23

Family

ID=9497371

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69712355T Expired - Lifetime DE69712355T2 (en) 1996-11-06 1997-10-30 FACSIMILE DEVICE WITH AUTOMATIC ADJUSTMENT OF TRANSMISSION PARAMETERS

Country Status (8)

Country Link
EP (1) EP0937358B1 (en)
JP (1) JP2001503583A (en)
AT (1) ATE217133T1 (en)
CA (1) CA2270962A1 (en)
DE (1) DE69712355T2 (en)
ES (1) ES2177955T3 (en)
FR (1) FR2755562B1 (en)
WO (1) WO1998020673A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2441809A (en) * 2006-09-15 2008-03-19 Iti Scotland Ltd Setting a data rate in a data transmission link

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137169A (en) * 1983-12-26 1985-07-20 Ricoh Co Ltd Facsimile equipment
JP2962513B2 (en) * 1989-11-13 1999-10-12 株式会社リコー Group 3 facsimile machine
JPH04357764A (en) * 1991-06-03 1992-12-10 Canon Inc Communication equipment
JPH06197207A (en) * 1992-11-20 1994-07-15 Ricoh Co Ltd Facsimile controller

Also Published As

Publication number Publication date
WO1998020673A1 (en) 1998-05-14
ES2177955T3 (en) 2002-12-16
FR2755562A1 (en) 1998-05-07
EP0937358A1 (en) 1999-08-25
CA2270962A1 (en) 1998-05-14
FR2755562B1 (en) 1998-12-24
EP0937358B1 (en) 2002-05-02
ATE217133T1 (en) 2002-05-15
JP2001503583A (en) 2001-03-13
DE69712355T2 (en) 2003-01-23

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